2003 Chevrolet Impala Just Replaced Engine Our Idling Too High Person Who Put

2003 CHEVROLET IMPALA
180,000 MILES
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76BRENDA
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  • 1 POST
We just replaced the engine in our 2003 impala and the engine is idling too high. The person who put the engine in cannot find out why. what should we do or be looking for?
Dec 3, 2012 at 8:04 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
scn for codes, clean throttle plate on both sides with choke cleaner and check for a vacuum leak
Dec 3, 2012 at 8:47 AM
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